[SGH-I747/M] CF-Auto-Root

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By Chainfire, XDA Ad-Free Moderator Emeritus / Senior Recognized Developer - Where is my shirt? on 30th October 2012, 12:51 PM
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Check your device model ! Settings -> About device -> Model number. See the third post for exact supported model numbers. If your device is a totally different model, it will not work (may even brick) !

CF-Root is the root for "rooting beginners" and those who want to keep as close to stock as possible. CF-Root is meant to be used in combination with stock Samsung firmwares, and be the quickest and easiest way for your first root.

CF-Root has been available for many devices and has clocked over 8 million downloads. This is not even counting custom ROMs that already include it. Don't be a leech, buy me a beer (and use the "Thanks" button!). Imagine if every CF-Root user has donated me $1...

What's installed
- SuperSU binary and APK
- Stock recovery

Installation and usage
Flash the CF-Auto-Root package as PDA in ODIN (details on how to do that are in next post), and your device should reboot into a modified recovery (signified by a large red Android logo) and it will install SuperSU for you and restore the stock recovery, and reboot back into Android.

If you don't get to the red Android logo, boot into recovery manually ("adb reboot recovery", or boot while holding Power+VolUp+Home).

Using this root increases your flash counter. You should run Triangle Away (see below) after rooting to reset the counter. Note that if you want to run custom kernels or custom recoveries, your flash counter will be set to 1 at every boot. Either configure Triangle Away to reset the counter at every boot (Play version only) or only reset the counter when you need to go into warranty.

Did you see the red Android logo during rooting, but SuperSU does not appear? This may sometimes occur due to left-over files and settings, however, you can usually install SuperSU from Google Play at this stage and it'll just work.

Not included - Triangle Away
Triangle Away can be used to reset the flash counter after installing CF-Root. The flash counter keeps track of how many custom firmwares you have flashed, as this voids warranty. (No idea what this about ? Read up on it, you will want to use this !)

Not included - adbd Insecure
As this CF-Root does not include a custom kernel, adb shell does not have root access by default (you can still get it by typing su inside the shell), nor is adb remount supported, nor will adb push and adb pull work on system files. adbd Insecure can be used to remedy this situation. (No idea what this is about ? Don't worry about it !)

CF-Auto-Root homepage

CF-Auto-Root main thread
[CENTRAL] CF-Auto-Root
For requests for new roots and generic discussion - please keep device specific discussion in the thread you are viewing now.

No CWM and such ?
I have personally moved away from permanent custom recoveries, and I am no longer supporting them. On newer devices they cause flash counter and OTA flashing issues. If you really want one, others do provide versions of CWM and TWRP for most devices. Personally I just use Mobile ODIN to install ZIPs and Titanium Backup for my backup/restore needs. I do always want root though, and as such I'm still supporting CF-Auto-Root as quick way to root.
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30th October 2012, 12:51 PM |#2  
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ODIN Installation (detailed)
- Follow these instructions to the letter. Do not touch any buttons or checkboxes that are not listed below to touch!
- Unzip the attached file
- Download and unzip the file (see posts below this one)
- If you end up with a recovery.img and cache.img file, you've extracted twice. You need to end up with a .tar.md5 file - don't extract that one
- (USB) Disconnect your phone from your computer
- Start Odin3-vX.X.exe
- Click the PDA button, and select CF-Auto-Root-....tar.md5
- Put your phone in download mode (turn off phone, then hold VolDown+Home+Power to boot - if it asks you to press a button to continue, press the listed button, or run adb reboot download command)
- (USB) Connect the phone to your computer
- Make sure Repartition is NOT checked
- Click the Start button
- Wait for Android to boot
- Done (if it took you more than 30 seconds, you need practise!)

- NOTE: Sometimes the device does *not* boot into recovery mode and root your device. Just do the entire procedure again if this happens. If it still will not install root and such, make sure that in Odin "Auto Reboot" is not checked. Then after flashing, pull the battery, and boot with VolUp+Home+Power button to boot into recovery manually. This will start the install process.

New to Samsung? Unfamiliar with Odin? Think all the above is a hassle? Get used to it. It's very simple, and us Samsung folk use Odin (or Mobile ODIN ) for everything! It's so very very convenient once you get used to it. Notice the 30 second comment above? For experienced users, the entire process indeed takes only 30 seconds!

You may now optionally want to install and run Triangle Away to reset the flash counter.
Attached Files
File Type: zip - [Click for QR Code] (198.6 KB, 32590 views)
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30th October 2012, 12:51 PM |#3  
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2013.05.20 --- CF-Auto-Root

SuperSU: v1.30



--- History ---
2013.05.20: SuperSU v1.30
2013.02.20: SuperSU v1.05
2012.12.02: SuperSU v0.98
2012.10.30: SuperSU v0.96
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30th October 2012, 01:03 PM |#4  
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Stupid noob question time....will this also work for the SGH I-747M also? Pretty much the same phone but just to be sure. I only ask because there will be alot of Canadian users in this forum seeing this and wondering.
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30th October 2012, 01:27 PM |#5  
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Added I747M version, should work for Rogers, Bell and Telus.
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30th October 2012, 01:33 PM |#6  
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Looks great for people who want to keep on stock but have more control.
1st November 2012, 03:53 AM |#7  
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Thanks nothing else would root friends phone and this worked first try

Sent from my SGH-I747 using xda premium
1st November 2012, 04:56 AM |#8  
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Used this when I had the international S3, worked great for easy root.

Sent from my SAMSUNG-SGH-I747 using xda premium
4th November 2012, 05:42 AM |#9  
srichachasauce's Avatar
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I'm so glad to see CF-Root for our devices. I'm already rooted and using a AOSP rom but still nice to see.
4th November 2012, 01:35 PM |#10  
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Hey man....Nice seen you here!!! Love your work on my International SG 2.....Thanks for your work here!!! Simple question....does it matter if i use the Odin 3.07 that is been ad for GS3 on the forums or the one that you attached, 3. 1.85??? My guess is no but to be sure!!!
Nevermind...Same thing!!!
13th November 2012, 02:46 AM |#11  
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Out of curiosity, is Mobile ODIN essentially the same as ROM Manager but for stock recovery? Can you flash AOSP builds, modems, kernels, or anything while just using Mobile ODIN?
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